Scatola interruttore dati manuale 4 vie RJ11 stile coda rotante 11 pin telefono modem fax
Connectors are fully shielded for maximum EMI/RFI protection. Heavy-duty dial contorl switch knob. Anti-skid rubber feet. RJ11 11 pin connectors. RJ11 I/O female x 1 ABCD port female. Switch box does not require power.